sessile ['sesəl]

例句:

• The more important sessile components of the coral reef ecosystem...corals and sponges.
  来自Nature
• A sessile leaf has no petiole.
  无柄的叶没有叶柄.
  
• These tumors may be sessile or pedunculated.
  这些息肉无蒂或带蒂.
  
• The shell of a sessile barnacle is attached directly to a substrate.
  固着藤壶的外壳直接附着在基质上.
  
• Sessile animals typically have a motile phase in their development.
  来自BBC
• People remained in a sessile state over tea for a long time.
  来自M. Webb